Psychologist: “A study of college students revealed that those students suffering from depression are more likely to eat junk food as opposed to healthier snacks. Another recent study proved that workers who work overnight shifts have higher rates of depression than those who work day or evening shifts. Thus it is very likely that poor eating habits are a cause of depression, as overnight workers also often have a poor diet due to their inability to keep a consistent schedule and easily share meals with others.”
If added to the original passage, which of the following would most strengthen the psychologist’s argument?
